package com.bilibili.servlet;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.bilibili.entity.CommonResult;
import com.bilibili.entity.Follow;
import com.bilibili.entity.User;
import com.bilibili.service.FollowService;
import com.bilibili.service.UserService;
import com.bilibili.service.impl.FollowServiceImpl;
import com.bilibili.service.impl.UserServiceImpl;

@SuppressWarnings("serial")
@WebServlet("/queryAttention.do")
public class QueryAttentionServlet extends HttpServlet{
	@Override
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		response.setContentType("application/json; charset=utf-8");
		if(((User)request.getSession().getAttribute("loginUser")) != null) {
			int followeeId = ((User)request.getSession().getAttribute("loginUser")).getUserId();
			String videoId = request.getParameter("videoId");
			int upId = -1;
			try {
				upId = Integer.parseInt(videoId);
			} catch (Exception e) {
				// TODO: handle exception
			}
			UserService us= new UserServiceImpl();
			User u = us.selectUpAllInfo(upId);
			int followerId = u.getUserId();
			Follow f = new Follow();
			f.setFollowerId(followerId);
			f.setFolloweeId(followeeId);
			FollowService fs = new FollowServiceImpl();
			CommonResult cr = new CommonResult();
			if(fs.selectUserIsFollower(f) != null) {
				cr.setCode(200);
			}else {
				cr.setCode(409);
			}
			response.getWriter().write(cr.toJSONString());
		}
	}
}
